<!doctype html>
<html lang="en">
  <head>
    <!-- Required meta tags -->
    <meta charset="utf-8">
    {% load static %}
    <link rel="shortcut icon" href="{% static "images/favicon.ico"%}">

    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

    <!-- Bootstrap CSS -->
    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
    <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.0.13/css/all.css" integrity="sha384-DNOHZ68U8hZfKXOrtjWvjxusGo9WQnrNx2sqG0tfsghAvtVlRW3tvkXWZh58N9jp" crossorigin="anonymous">

    <title>{% block title %}{% endblock title %}</title>
    {% block head %}{% endblock head %}
  </head>
  <body>
    <!-- Optional JavaScript -->
    <!-- jQuery first, then Popper.js, then Bootstrap JS -->
    <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
    {% block js %}
    {% endblock js %}
    <nav class="navbar navbar-expand-lg navbar-dark bg-dark">
       <!--a class="navbar-brand" href="#">Navbar</a-->
     {% load static %}
     <a href="/" class="float-left"><img src="{% static "images/logo_long_new.png" %}" height="50" width=auto></a>

      <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
        <span class="navbar-toggler-icon"></span>
      </button>

      <div class="collapse navbar-collapse" id="navbarSupportedContent">
        <ul class="navbar-nav mr-auto">
          {% for navbar_entry in navbar_list %}
              {% if navbar_entry.0 == active_navbar %}
                <li class="nav-item active">
                    <a class="nav-link" href={{ navbar_entry.1 }}>{{ navbar_entry.0 }}</a>
                </li>
              {% else %}
                <li class="nav-item">
                    <a class="nav-link" href={{ navbar_entry.1 }}>{{ navbar_entry.0 }}</a>
                </li>
              {% endif %}
          {% endfor %}
        </ul>
        <ul class="nav navbar-nav navbar-right">
              {% if request.session.username %}
                <li class="nav-item">
                    <a class="nav-link" href="#" style="color: yellowgreen">{{ request.session.fullname }}</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="/accounts/logout" style="color: yellowgreen">登出</a>
                </li>
              {% else %}
                <li class="nav-item">
                    <a class="nav-link" href="/accounts/login" style="color: yellowgreen">登录</a>
                </li>
              {% endif %}
        </ul>
      </div>
    </nav>
    {% block body %}
    {% endblock body %}
  </body>
</html>